How to remove rear seats in a convertible, Looking for a route to run wires Options

[6gsillyca]

As title states I am wondering for a way to run wires from the trunk to the engine bay. I've looked and tugged but I can't seem to figure out how to remove the rear seats, or how I would run wires behind the rear 1/4 plastic.

In my 94 hatchback, the seats folded down and unbolted, and the rear 1/4 plastic came out, exposing the speakers...